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image: Lords of the Flies

Lords of the Flies

By Aggie Mika | June 19, 2017

Biologists’ walk in the woods sparks the creation of a masterful fruit fly field guide. 

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image: Mammalian Jaws Evolved to Chew Sideways

Mammalian Jaws Evolved to Chew Sideways

By Catherine Offord | June 1, 2017

Parallel evolution in jaws and teeth helped early mammals diversify their diets.

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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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image: Another New Timeline for <em>Homo naledi</em>

Another New Timeline for Homo naledi

By Tracy Vence | April 27, 2017

The ancient human may have lived around 200,000 to 300,000 years ago—much more recently than previously estimated.

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image: Study: Diet Contributes to Brain Size

Study: Diet Contributes to Brain Size

By Diana Kwon | March 30, 2017

The results of a historical primate behavior analysis suggest that species with fruit-filled diets evolved larger brains.

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image: In Certain Social Bees, Gut Microbiomes Follow Phylogeny

In Certain Social Bees, Gut Microbiomes Follow Phylogeny

By Ashley P. Taylor | March 29, 2017

Corbiculate bees and their gut-dwelling microbes have been coevolving since the social species evolved from their solitary ancestors around 80 million years ago, scientists suggest. 

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image: Dinosaur Phylogenetic Tree Shake-Up

Dinosaur Phylogenetic Tree Shake-Up

By Jef Akst | March 24, 2017

An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.

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image: Understanding the Roots of Human Musicality

Understanding the Roots of Human Musicality

By Catherine Offord | March 1, 2017

Researchers are using multiple methods to study the origins of humans’ capacity to process and produce music, and there’s no shortage of debate about the results.

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image: Adaptation, Island Style

Adaptation, Island Style

By The Scientist Staff | January 3, 2017

Anole lizards inhabiting the Caribbean islands display some of the key principles of evolution.

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